If you go to your primary care doctor, they will likely require a consultation and bloodwork to diagnose a deficiency before prescribing the shots
While not a weight loss treatment on their own, B12 injections support metabolism and energy levels, which can complement a healthy lifestyle
Human trials that investigated its ability to zap fat soon led to the discovery of much broader applications, though
Here's how to give yourself a b12 injection
Regular B12 injections on their own may increase your energy levels, but will do little to aid in weight loss
If you have had neurological symptoms that affect your nervous system, such as numbness or tingling in your hands and feet, caused by a vitamin B12 deficiency, youll be referred to a haematologist and may need to have injections every 2 months